diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 51ac7e3a..d0f389c7 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -9,7 +9,7 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - name: Set up Python 3.7
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: 3.7
       - name: Install Python dependencies
@@ -22,7 +22,7 @@ jobs:
           pipenv run python setup.py sdist bdist_wheel
 
       - name: Publish package
-        uses: pypa/gh-action-pypi-publish@master
+        uses: pypa/gh-action-pypi-publish@v1.5.1
         with:
           user: __token__
           password: ${{ secrets.pypi_password }}